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Cushion|Lab Grown|IGI

1.72ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG831679876

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831679876

Diamond specifications and retailer prices

From €597 EUR
$667 USD
As of October 29, 2026
Save €2,581 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,178 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.72ct lab-grown cushion diamond

This 1.72ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831679876 or 831679876. Listed at 10 retailers as of October 29, 2026, with prices from €597 to €3,178, a €2,581 spread on the same certified stone. Brilliant Earth lists it at €3,178. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831679876
Dimensions8.58 × 6.13 × 3.98 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.58 mm6.13 mm1.72 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831679876
Side View
Table 61.0%Crown 35.6°Girdle: THK-VTKPavilion 35.8°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €3,178 EUR|Low: €597 EUR|High: €4,449 EUR|Avg: €1,680 EUR|-28.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8€597 EUR
Retailer 4€672 EUR
Retailer 2€848 EUR
Retailer 3€1,000 EUR
Retailer 5€1,018 EUR
Retailer 6€1,237 EUR
Retailer 10€2,073 EUR
Retailer 7€2,107 EUR
Retailer 9€2,171 EUR
Brilliant Earth€3,178 EUR

2 data points across 10 retailers

10 retailers€597 EUR to €3,178 EUR

A
Cheapest Retailer
-
€597 EUR
$667 USD
Final sale: no returns
A
Retailer 2
-
€672 EUR
£591 GBP
View
A
Retailer 3
-
€848 EUR
$947 USD
View
A
Retailer 4
-
€1,000 EUR
$1,117 USD
View
A
Retailer 5
-
€1,018 EUR
£895 GBP
View
A
Retailer 6
-
€1,237 EUR
$1,382 USD
View
B+
Retailer 7
-
€2,073 EUR
$2,316 USD
View
B+
Retailer 8
-
€2,107 EUR
$2,354 USD
View
B+
Retailer 9
-
€2,171 EUR
SGD 3,277 SGD
View
Most Expensive
B
Brilliant Earth
22348886A · Oct 30
€3,178 EUR
$3,550 USD
View
9 more retailers have this diamond
Prices start from €597 EURSave up to €2,581 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.72ct Cushion
€597 EUR